Whenever I'm too lazy to cook, and am in the mood for a large, comforting meal, I get the veggie Spicy Burger at Big Smoke (once also shamefully followed by a poutine at Poutini's...). Can't go wrong with the combination of chipotle mayo and caramelized onions...ever. The veggie patty itself is a "meat imitation", and isn't the moistest or tastiest faux burger patty I've ever had, but it fits the bill. Personally, I don't really care if my veggie burger tastes like real meat or not (as long as it doesn't taste like cardboard), but veggies who are looking for a true meat imitation may be disappointed.
There are about 8 different "signature" burgers on the menu, with most ranging between $7 - $8. You can also create your own burger with toppings like roasted red peppers, avocado, and sauteed mushrooms.
As others have mentioned, space is tiiggghhhtttt and seating is limited. Take-out seems to be a popular option here. However, dine-in service seems to be step above fast food -- last time I was here, the girl who took my order came around delivering burgers and distributing glasses of water and napkins to eat-in diners. Nice!